- #Macbook os x utilities on startup how to
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You can then install all available software updates with the following command: You will see a list of available updates. To get a list of available software updates, type the following command: To repair the drive, you can issue the following command into Terminal:ĭiskutil repairvolume /Volumes/BackupStuff/ If, however, you get an error like “The volume Macintosh HD was found corrupt and needs to be repaired,” then you can repair the drive using diskutil as well. If you see no messages, then you can assume that diskutil hasn’t found any errors, and you can move on. So for an external drive named “BackupStuff” you would enter:ĭiskutil verifyvolume /Volumes/BackupStuff/ Or, if you have an external drive attached, you can type or paste in the following:ĭiskutil verifyvolume /Volumes// So, for your main hard drive, you could type or paste in something like: Once launched, type or paste in the following command. Launch Terminal from your Dock, Utilities folder, or via an app launcher like Alfred.
I'd like it if you chose to follow me.Verify and Repair Disk Permissions via Terminal (Mac OS X)ĭiskutil repairPermissions / Verify and Repair Volume via Terminal (Mac OS X) Got a story? Drop me a line via Twitter or in comments below and let me know. Google+? If you use social media and happen to be a Google+ user, why not join AppleHolic's Kool Aid Corner community and join the conversation as we pursue the spirit of the New Model Apple? I’ve had to tell too many of my friends that all their precious images have been destroyed, or that only a limited number can be recovered using DiskWarrior, Data Rescue or Disk Drill.
#Macbook os x utilities on startup mac
Please tell me you backup your Mac regularly. Now your Mac will launch and you can try to fix your Mac. Restart the Mac and hold Option once the chime sings now attach your bootable installer drive to the Mac and select it from the list (if you see a list) that appears. Once you have your bootable drive follow these steps: See it as an insurance policy as you can use this installer to startup and repair (or at least rescue data) from a sick Mac. Making it is a complex process – take it slowly and follow these clear instructions – however, it doing so is well worth the effort. And put the drive in a draw while hoping they don’t need to see it again until they need to add another OS X installer version to that drive. On that drive they should create a bootable OS X installer drive for OS X. A bootable driveĮvery Mac user should invest in a high-capacity USB 3.0 flash drive. Don’t stay there for hours, if this doesn’t happen within a few minutes it’s reasonable to assume it won’t work.
Keep those keys depressed until you see a globe symbol and progress bar appear. Restart your Mac and hold Option-Command-R when the start up chime chimes. The sequence is similar to the way you usually access Recovery, with the addition of the Option key.
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If you can get your Mac online you can try Internet Recovery, though this requires you to download a hefty chunk of data and takes time. (For an idea of what these applications can do, read this excellent article which remains relevant to OS X El Capitan). Among other things they can create a complete copy (Disk Image) of your Mac, restore that image once you’ve repaired your Mac, and let you startup from the external drive the backups are stored on.
#Macbook os x utilities on startup how to
This is how to use your Time Machine backup to access Recovery Mode: This may sometimes be the only way to get to fix (or at least rescue data) from your Mac, particularly when you can’t get it online or its drive has become damaged. If you do have a connected external drive with a Time Machine backup then you can use Recovery Mode from the backup. You keep backups don’t you? You really should.